package com.sharecode.stock.utils;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class HttpRequest {
	public static InputStream downLoadFromUrl(String urlStr) throws IOException {
		URL url = new URL(urlStr);
		HttpURLConnection conn = (HttpURLConnection) url.openConnection();
		// 设置超时间为3秒
		conn.setConnectTimeout(3 * 1000);
		// 防止屏蔽程序抓取而返回403错误
		conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");

		return conn.getInputStream();
	}
}
